From: Heinrich Schuchardt <xypron.glpk@gmx.de>
To: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Cc: David Airlie <airlied@linux.ie>,
dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
Heinrich Schuchardt <xypron.glpk@gmx.de>
Subject: [PATCH] drm/gma500: dont expose bytes from kernel stack
Date: Sun, 21 Aug 2016 20:39:38 +0200 [thread overview]
Message-ID: <1471804778-3656-1-git-send-email-xypron.glpk@gmx.de> (raw)
Components m1, m2, p2, dot, vco of variable clock should be
initialized to avoid bytes from the kernel stack to be
exposed.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
---
drivers/gpu/drm/gma500/oaktrail_crtc.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/gma500/oaktrail_crtc.c b/drivers/gpu/drm/gma500/oaktrail_crtc.c
index da9fd34..28bd8f3 100644
--- a/drivers/gpu/drm/gma500/oaktrail_crtc.c
+++ b/drivers/gpu/drm/gma500/oaktrail_crtc.c
@@ -138,6 +138,7 @@ static bool mrst_sdvo_find_best_pll(const struct gma_limit_t *limit,
u32 target_vco, actual_freq;
s32 freq_error, min_error = 100000;
+ memset(clock, 0, sizeof(struct gma_clock_t));
memset(best_clock, 0, sizeof(*best_clock));
for (clock.m = limit->m.min; clock.m <= limit->m.max; clock.m++) {
--
2.1.4
next reply other threads:[~2016-08-21 18:39 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-21 18:39 Heinrich Schuchardt [this message]
2016-08-21 18:46 ` [PATCH] drm/gma500: dont expose bytes from kernel stack Joe Perches
2016-08-21 19:35 ` Heinrich Schuchardt
2016-08-21 19:38 ` Joe Perches
2016-08-22 7:29 ` Daniel Vetter
2016-08-22 9:16 ` One Thousand Gnomes
2016-08-22 8:32 ` Jani Nikula
2016-08-22 13:45 ` kbuild test robot
2016-08-22 17:18 ` kbuild test robot
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